- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 47/14 - Means in valves for absorbing fluid energy for decreasing pressure and having a throttling member separate from the closure member the throttling member being a perforated membrane
Patent holdings for IPC class F16K 47/14
Total number of patents in this class: 40
10-year publication summary
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2
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4
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4
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3
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3
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3
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3
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4
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1
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1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fisher Controls International LLC | 1438 |
11 |
| Emerson Process Management Regulator Technologies, Inc. | 391 |
4 |
| Hamilton Sundstrand Corporation | 5014 |
2 |
| Dayco IP Holdings, LLC | 276 |
2 |
| The Regents of the University of California | 20815 |
1 |
| Toyota Motor Corporation | 35927 |
1 |
| Industrial Technology Research Institute | 5201 |
1 |
| Control Components, Inc. | 33 |
1 |
| Dresser, Inc. | 94 |
1 |
| Fujikin Incorporated | 701 |
1 |
| Fujikoki Corporation | 419 |
1 |
| Industrie Borla S.p.A. | 109 |
1 |
| Marotta Controls, Inc. | 28 |
1 |
| Prier Products, Inc. | 9 |
1 |
| SDN Company Ltd | 9 |
1 |
| Twister B.V. | 37 |
1 |
| Valveworks USA, Inc. | 13 |
1 |
| Danfoss A/S | 1445 |
1 |
| NOV Process & Flow Technologies US Inc | 7 |
1 |
| The E3 Company LLC | 17 |
1 |
| Other owners | 5 |